import java.io.*;
import java.util.*;
public class Example10_15 {
    public static void main(String args[]) {
        File file = new File("cost.txt");
        Scanner sc=null;
        int sum=0;
        try { sc = new Scanner(file);
             while(sc.hasNext()){
                 try{
                     int price=sc.nextInt();
                     sum=sum+price;
                     System.out.println(price); 
                 } 
                 catch(InputMismatchException exp){
                     String t=sc.next();
                 }   
             }
             System.out.println("Total Cost:"+sum+" dollar");
        }
        catch(Exception exp){
            System.out.println(exp); 
        }
    }
}

